Connect the router to your PC via Ethernet (and USB-C if required by the tool).
: Official files are region-specific and can sometimes be found on the ZTE Support Portal by selecting your country. Third-Party Communities : Forums like zte mc801a firmware update
Firmware version numbers typically follow a pattern like MC801A_[Operator]_B[XX] . The final number (B04, B15, B22) is the key build number. Keep in mind that the availability of these versions depends entirely on your specific device model and mobile operator. Connect the router to your PC via Ethernet
Early firmware versions often suffered from dropping back to 4G unnecessarily. Newer updates improve the modem’s ability to aggregate 5G NSA (Non-Standalone) bands (e.g., n78 with B1/B3/B7/B20). Users frequently report that after updating, the router holds a 5G signal more aggressively. The final number (B04, B15, B22) is the key build number
Firmware updates are done at your own risk. Incorrect updates can lead to device malfunction. MC801A - ZTE - Support